Re: [PATCH] target: Fix off-by-seven in target_report_luns

[Roland Dreier <roland@xxxxxxxxxxxxxxx>]

On Thu, Feb 16, 2012 at 8:14 AM, Jörn Engel <joern@xxxxxxxxx> wrote:
> cdb_offset is always equal to offset - 8, so remove that one.  More
> importantly, the existing code only worked correct if
> se_cmd->data_length is a multiple of 8.  Pass in a length of, say, 9 and
> we will happily overwrite 7 bytes of "unallocated" memory.

This is fine for now but I think neither this nor the old code complies
100% with the scsi spec.  If I understand correctly, if we pass in an
allocation length of 9, we should return the first byte of the first LUN.

Maybe an 8 byte temp buffer + a memcpy to handle this partial case?

 - R.
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